<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="./js/react.development.js"></script>
    <script src="./js/react-dom.development.js"></script>
    <script src="./js/babel.min.js"></script>  
</head>
<body>
    <div id="app"></div>

    <input type="text" id="input">

    <script>
        document.getElementById("input").onblur =(e) =>{
            console.log(e);
        }
    </script>

    <script type="text/babel">
        function handleClick(event) {
            console.log(event,event.pageX,event.pageY);
            alert(event.target.innerHTML)
        }
        const handleChange = (e) =>{
            console.log(e);
            // alert(e.target.value)
        }

        const handleBlur = (e) =>{
            console.log(e);
        }

        function handleClick2(e) {
            // 阻止事件的默认行为
            e.preventDefault()
        }
        const vDom = (
            <div>
                <button onClick={handleClick}>惦记我</button>
                <br/>
                <input type="text" onChange={handleChange} onBlur= {handleBlur}/>
                <br/>
                <br/>
                <a href="http://www.baidu.com" onClick={handleClick2}>去百度</a>    
            </div>
        )

            // 渲染虚拟DOM
            ReactDOM.render(vDom,document.getElementById('app'))
    </script>
</body>
</html>